Enhancement: add model provider - Amazon Sagemaker (#6255)

Co-authored-by: Yuanbo Li <ybalbert@amazon.com>
Co-authored-by: crazywoola <427733928@qq.com>

api/tests/integration_tests/model_runtime/sagemaker/test_provider.py

@@ -0,0 +1,19 @@
+import os
+
+import pytest
+
+from core.model_runtime.errors.validate import CredentialsValidateFailedError
+from core.model_runtime.model_providers.sagemaker.sagemaker import SageMakerProvider
+
+
+def test_validate_provider_credentials():
+    provider = SageMakerProvider()
+
+    with pytest.raises(CredentialsValidateFailedError):
+        provider.validate_provider_credentials(
+            credentials={}
+        )
+
+    provider.validate_provider_credentials(
+        credentials={}
+    )